Due or born in April: when was the baby conceived?
A baby due in April was most likely conceived between 9 July and 7 August of the year before.
For a baby born in April at full term, from 37 to 42 weeks, conception was most likely between 25 June and 28 August of the year before.
Most likely conception date
Enter a date to see when conception most likely happened.
Not medical advice. Every pregnancy is different: ask your midwife or doctor about yours.
Conception date for each day in April
| Due date or birthday | Conception, for a due date | Conception, for a birth at 37 to 42 weeks |
|---|---|---|
| 1 April | 9 July | 25 June to 30 July |
| 2 April | 10 July | 26 June to 31 July |
| 3 April | 11 July | 27 June to 1 August |
| 4 April | 12 July | 28 June to 2 August |
| 5 April | 13 July | 29 June to 3 August |
| 6 April | 14 July | 30 June to 4 August |
| 7 April | 15 July | 1 July to 5 August |
| 8 April | 16 July | 2 July to 6 August |
| 9 April | 17 July | 3 July to 7 August |
| 10 April | 18 July | 4 July to 8 August |
| 11 April | 19 July | 5 July to 9 August |
| 12 April | 20 July | 6 July to 10 August |
| 13 April | 21 July | 7 July to 11 August |
| 14 April | 22 July | 8 July to 12 August |
| 15 April | 23 July | 9 July to 13 August |
| 16 April | 24 July | 10 July to 14 August |
| 17 April | 25 July | 11 July to 15 August |
| 18 April | 26 July | 12 July to 16 August |
| 19 April | 27 July | 13 July to 17 August |
| 20 April | 28 July | 14 July to 18 August |
| 21 April | 29 July | 15 July to 19 August |
| 22 April | 30 July | 16 July to 20 August |
| 23 April | 31 July | 17 July to 21 August |
| 24 April | 1 August | 18 July to 22 August |
| 25 April | 2 August | 19 July to 23 August |
| 26 April | 3 August | 20 July to 24 August |
| 27 April | 4 August | 21 July to 25 August |
| 28 April | 5 August | 22 July to 26 August |
| 29 April | 6 August | 23 July to 27 August |
| 30 April | 7 August | 24 July to 28 August |
In a leap year, the date moves by one day when 29 February falls between conception and the due date or birth.
Frequently asked questions
If our baby is due in April, when did we conceive?
A baby due in April was most likely conceived between 9 July and 7 August of the year before. That is 38 weeks (266 days) before the due date. The table on this page gives the date for each due date in the month.
Born in April: when was the baby conceived?
For a baby born in April at full term, from 37 to 42 weeks, conception was most likely between 25 June and 28 August of the year before. For a birth at exactly 40 weeks, it is the same date as for a due date that day.
Can a conception date settle a paternity question?
No. This is the textbook estimate. It cannot know your cycle, when you actually ovulated or how the pregnancy was dated, and it is not precise enough to tell apart two dates a few days apart.